1 files changed, 30 insertions, 0 deletions
diff --git a/string/bug-strncat1.c b/string/bug-strncat1.c
new file mode 100644
index 0000000000..0e41a3e727
--- /dev/null
+++ b/string/bug-strncat1.c
@@ -0,0 +1,30 @@
+/* Test case by Joseph S. Myers <jsm28@cam.ac.uk>.  */
+#define __USE_STRING_INLINES
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+char d[3] = "\0\1\2";
+
+int
+main (void)
+{
+  strncat (d, "\5\6", 1);
+  if (d[0] != '\5')
+    {
+      puts ("d[0] != '\\5'");
+      exit (1);
+    }
+  if (d[1] != '\0')
+    {
+      puts ("d[1] != '\\0'");
+      exit (1);
+    }
+  if (d[2] != '\2')
+    {
+      puts ("d[2] != '\\3'");
+      exit (1);
+    }
+
+  exit (0);
+}